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习题练习：Physics Unit25: Optical Instruments
本习题练习试卷来源于51fly国际课程 (https://51fly.win)， 为试卷打印版，您也可以在网站平台(https://autoconfig.51fly.win/)直接 访问本试卷的在线电子版并查看正确答案与解析，搜藏保存任意题目到收藏集。 访问方法: 平台首页左上角"通过试卷号快速访问"输入试卷号 120，并点击直达试卷；或浏览器地址栏内直接输入本试卷链接 https://autoconfig.51fly.win/test120.html  教师使用本平台可以抽题组卷或一键复制他人试卷，布置为在线考试或在线作业，全自动判分成绩一键排序导出，省时省力。
 作者: physics  发布日期: 2023-05-01 10:00    总分: 51分  得分: _____________

答题人: 游客未登录  开始时间: 23年05月01日 10:00  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The length of time the shutter is open and the film is e/cotkc. ew1p- xsr4y-k u- y8rxposed in a camera is determined by the.- t/ x- y14p ukceo-8rrwscky

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2#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The amount of light reaching the film in a camera is determf 0a ,yjg-)pseined by the

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3#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In a single-lens reflex ca.ebzue-1/1 f 9cqdy5 /teyjkbmera the lens-film distance may be varied by sliding the lens forward or backward with respect to /bt/-dze u51kc.q ej9f yyb1e the camera housing. If, with such a camera, a fuzzy picture is obtained, this means that

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4#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that covers the film with a fl+d,k84yrezs ,6ko wq ield of view that corresponds approximately to that of normal vision is w4sk reokd,8qzl,+ 6 yreferred to as a

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5#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that acts like a telescope to mag/ .lezoiklged, : axjm.*6ww rd4b2e,nify images is referred to as a

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6#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A camera lens that covers the filw .j vm)o,(t)afx slp0m with a wider field of view than that of the eye and through whofal ,)(vs 0 xpt.)mjwich objects appear smaller is referred to as a

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7#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  In which of the following ways is a camera different from t2xqrq04 v0zzpyhan: 4he human eye?

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8#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The principal refraction of light by the q(y1mfpp73i y eye occurs at the

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9#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The closest distance at which an 9x.t *p rg jhjz w4:wi1v6w,hxeye can see objects clearly is

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10#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The farthest distance at which an eye can sb- a;dai-y +cw g64zfdee objects clearly is

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11#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a person's eyeball is too long from front to back, the person is likely to su4eudtb;h9 t 5b.a6(fubbp 1u qffer frote(1 d;a 5f6.tq buu b9hu4pbbm

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12#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Nearsightedness can j,64o1r0 /shejr m0yb51 f(xwz ngmzlusually be corrected with

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13#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the human eyeball is too long from front to back, this gives rise to a vision 1vb.ozxv7:fm defect that can be corr 1.f: 7mvobvzxected by using

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14#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If a person's eyeball is too short from front to jpf/(+ (c wl3b0vvjjeback, the person is likely to s0cbf3(vje/ j+(wpj l vuffer from

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15#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Farsightedness can usually bx2z,dmim it78ts;k2be corrected with

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16#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the human eyeball is too sny-3a4k:y2tdlhf afm qe:+w 2hort from front to back, this gives rise to a vision defect thaafw4mt:k+q:hny23a f yed-l2 t can be corrected by using

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17#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What type of lens is a magnifying gl nqkn qc*ng 0.5fl azzea p8w:823ds,gass?

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18#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  An important reason for using a 3uf4kc*-8a0.lrahawgdz,b b: -dtbfum e3y8 very large diameter objective in an astronomical ,gewt3k8d: a-u b* c38fzb0hu fm4bl.-daay rtelescope is

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19#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Consider the image formed by a refractin .zrp9w*pgbe7g telescope. Suppose an opaque screen is placed in front of the lower half of the objective7p*rg b .pewz9 lens. What effect will this have?

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20#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Assuming the film used has uniform sensitivity throughout r*/qqa8u 8d-a;tbc gn the visible spectrum, in which of the following cases would you be able to best distinguish between two closely spaced stars? (The lens referred to cdrqb-u/qa an8 *8;g tis the objective lens of the telescope used.)

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21#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A refracting telescope has a 39gyi 9uda1vyc2c88lm :rzm imagnification $m$. If the objective focal length is doubled and the eyepiece focal length is halved, what is the new magnification?

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22#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  With what color light w:vj-2,occn py ould you expect to be able to see the greatest detail whencpyo-vn j :2,c using a microscope?

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23#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical lenses suffal y3 06lr(kt;i th4emer from

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24#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  Spherical mirrors suffer frokmfcrsi f7+ -mg5s 44mm

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25#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The resolving power of a microscope19z/t+ i5l02sd 4emhxq jm tcrwg87 bo refers to the ability to

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26#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  If the diameter of a r3/z(k3p a5mr;zlka y9 4xdxd yadar dish is doubled, what happens to its resolving power assuming that all other factors remain unchanged? 3(a/ x 39yz4rk5pkm;ayldxd z Its resolving power

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27#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A near-sighted person has a far point of 18 cm. What lens (in diopters) alm pr -0h3q/io1 fqj7will allow this person to see distant objects 1 lr0jiqh/q p a7om-3fclearly?

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28#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person cannot see clearly objects mopw-4h n*1r1 gh r1np3u0w,i.c ;e 6outpj xsgbre than 70.0 cm away. What power of lens should be prescribed if the glass is to be worn 1.00 cm in front of the*pjb;ixu31 .wp g,rs1-wn 1ot nc 4hrp0ug6he eye?

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29#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A nearsighted person wears glasses whose lenses have power of -0.15 Dumm,kj d55*xm q7tz +t. What is the person's far point if the glasses are v+m,7xt mtk zudjq5 m*5ery close to the eyes?

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30#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  What power lens is needed to correct for farsightedn( pqcc: ;w 1yv:d-y rsst2 ;et7sns(byess where the uncorrected neawsspbyy7tr1;cnyv:e (( st s-;:qcd2 r point is 75 cm?

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31#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The near point of a farsighted6)nthf1+go9tytf u vb owx .q+90/t bi person is 100 cm. She places reading glasses close to her eyes, and with them she can comfortably read a newspaper at a d6/fby)xg9 fot1+ ot tivwb9+hqnt.0uistance of 25 cm. What lens power is required?

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32#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A farsighted person can read a newspaper held 25;it1cv /9h l-tmwc*mg cm from his eyes, if he wears gli tgm/ v1tc9*w-m;c hlasses of
+3.33 diopters. What is this person's near point?

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33#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying lens has a focal length of 10 cm. A person has a near point of 25 rf+0la j n ;z,-p4ttcxcm. What is the magnification of the lens for that personxn;lj4pf+ rc a0 -t,tz when their eyes are focused at infinity?

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34#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying lens has a focal length of 10 cm. A person has a nea a lb74dh5p.zda.pk)ar point of 25 cm. What is the magnification of the lens for that person when their eyes are focused ah 4aaz)5pdl.. bpkd 7at their near point?

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35#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A magnifying glass has a focal lengt.tbrhv p* :.cj s mg/2o8h5pkgh of 7.0 cm. What is the magnification if the image is vckvpj5 hbs*/m2po.8trg. h :giewed by a relaxed eye?

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36#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person uses a converging lens of focal length 5.0*nqy9,gskkujvirk5p9 + j p 3; cm as a magnifying glass. What is the maximum possible magrq9 is9vyn5* ,ku;3 +jpkkjpgnification?

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37#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person uses a converging lens of focal length 5.0 cm as a magnifying glasshw / nti k5+tb2:rj)kq. What is the magnifi2w nhji5kk)t/trb: +qcation if the person's eye is relaxed?

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38#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available lenses of focal lengths 2.0 cm, 4.0 cm, 83qlrmi q yl6/9tz7;gz.0 cm, and 16.0 cm. If y 7q lzyztlr9q/6 ;gi3mou were to use any two of these lenses to build a telescope, what is the maximum magnification you could achieve?

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39#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  You have available lenses of focfk5gm69 9 h0 lb0adlfqal lengths 2.0 cm, 4.0 cm, 8.0 cm, and 16 cm. If you were to use any two of these lenses to build a telescope, what is the lens separation for the 0gm bfdal9hq06f5 9klmaximum magnification telescope?

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40#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The objective of a telescope has a focal length of 200 cm and its eyepiece5vjy;m d/ke b9 has a focal 95 mek/v b;dyjlength of
1.1 cm. What is the magnification of this telescope when viewing an object at infinity?

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41#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A student constructs an astronomical telescope with a magnification of 10. onem jby(q9nj0(v8o/zor p8 1cb +p3n If the telescope has a converging lens of focal length 50 cm, what is the focal length of the eyepiece? b (1pvbq( m3c/nn8890 e+yrjpjo oonz

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42#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A student constructs an astronomica ur ntovh 60yeu94/rc.l telescope with a magnification of 10. If the telescope has a converging leeou/ tvyrn.9hr6u c40ns of focal length 50 cm, what is the resulting length of the telescope?

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43#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A person is designing a 10X telescnwb*,44ntatln 8xab *ope. If the telescope is limited to a length of 20 cm, what is the approximate focal length of the objectit*wb 4*n latn x84ban,ve?

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44#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A microscope has an objective lvud1p**c5 r dnens of focal length 1.4 mm and an eyepiece of focal length 20 mm, adjusted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. How far *cn*1pd5rudv apart are the lenses?

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45#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A microscope has an objective lens of focal l+rg8. er vueronpd)/3 aq33sbength 1.4 mm and an eyepiece of focal length 20 mm, adjusap3.8gouqe de/v s33rr nb+ r)ted for minimum eyestrain. A blood sample is placed 1.5 mm from the objective. What is the overall magnification?

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46#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope has an objective with a focal length of 3.00 mm azh5n wc1flmna.;q z v96 .s+pwnd an eyepiece of focal length 6.00 cm. If the two lenses are sepaq9z c .p h;.wfvnlm+anz6sw 15rated by 40.0 cm, what is the total magnification?

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47#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope has a 18-cm barrel and an objective with a f6axv y(5n 8hb xb9jv)uocal length of 8.0 mm. What is the focal length of the ebj 6xyh8) (u95vnx vabyepiece to give a total magnification of 240?

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48#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A binary star system in the constellation Orion has an angular separation of 10sfr.0l- h)n mb-5b.s)fl m-0n rh rad. If the wavelength of the light from the system is 500 nm, what is the smallest aperture (diameter) telescope that can just resolve the two stars?

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49#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  A compound microscope is designed to resolve objects which are qhfkj5q;wx/* hd -w+i:ey (rh6fn :um0.010 mm apart. Ifd;/ :*ne+-fwq:wxju5hh yfihr ( km6q the focal length of the objective is 4.0 cm and the wavelength of light used is 550 nm, what is the diameter of the objective?

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50#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The pupil of a person's eye7 370ay bjl2gahz2w txhk(g6q changes from a diameter of 3.5 mm to 1.5 mm as the illumination is increased. By what factor does the minhkblq a07 2az26 j3wtxg(7yhgimum angle of resolution change?

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51#
 
单选题 ( 1.0 分) 切至整卷模式 搜藏此题  
  The 2.4-m reflecting Hubble Sp-. mv.yo m siks9(dtf+ace Telescope has been placed into Earth orbit by the space shuttle. What angular resolution could this telescope achieve if the wavelength fs(kd.is o.ymmt- v9+ is 500 nm?

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